/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Selection/PersistentMeshSelectionManager.h
Set a new active selection. This is undoable, ie aFPersistentMeshSelectionChangewill be emitted
virtual void SetNewActiveSelection ( [UDEPRECATED_PersistentMeshSelection](API\Plugins\ModelingComponents\Selection\UDEPRECATED_PersistentMeshSelect-) * Selection )